Secure, fast mobile communications in emergencies
Many cars already feature Internet connectivity, enabling drivers to
retrieve e-mails, conduct a Google search, request remote diagnosis
from a shop following a breakdown, or display empty parking places.
But there are many manufacturers taking an additional step to
develop vehicles that not only receive data, but can also actively
send messages.

One such example is the European
Commissionís emergency eCall system, which is on target
for installation in every new car by 2015. The aim of the
program is to reduce the number of road casualties, and the eCall
system does this by supplementing the vehicle's on-board electronics
with a permanently-installed SIM card and GPS module. These
additional connectivity features link emergency calls to the airbag
sensors, so that if an accident occurs, information about the
vehicleís location, time of the accident and identification number
can be sent to rescue services, along with the driving directions,
severity of the accident and even the number of fastened seatbelts
within the vehicle. Consequently, rescue services can send help to
the accident site immediately or establish a voice connection with
the vehicle. This technology is a testament to the European
Commissionís claim that its eCall international emergency system
could save around 2,500 lives a year and estimates that it will also
result in a 15% drop in the number of casualties involving seriously
injured persons.

In-car M2M solutions have also been developed to make life easier
for drivers, such as Daimlerís
car2go project in Austin, Texas (screen shot of the project site pictured nearby). Members have a card
that they can use to reserve a vehicle ahead of time or as transport
is required. They do this by simply holding their card up to a
specially-installed reader on the windshield of car2goís branded
blue and white smart cars, which are located all over downtown
Austin. Once inside the vehicle, the card requests the memberís
secure login pin and is used to start the carís ignition. Once
finished with the car, the member simply parks it back within the
designated home area for the car2go team to refuel and clean it for
the next user, and their credit/debit card is then billed for the
amount of time they used the car, calculated down to the exact
minute.

Vehicle-to-vehicle communications
Another example of innovative, secure communication in traffic is
the development of secure Vehicle-to-X communications. One example
is Deutsche Bahnís solution for networking car-sharing,
electro-mobility and fleet management. Following the successful
secure transfer of data to and from Deutsche
Bahnís car-sharing vehicles in a pilot project in
Friedrichshafen, the company is providing additional
telematics services through mobile M2M communications technology.
These include finding, booking and opening vehicles using a cell
phone. The added telematics systems also integrate the vehicles to
three networks, demonstrating how cars, trains and energy systems
can be effectively linked to each other. Cars can be rented
spontaneously using a special mobile app, which also transfers data
such as the range and power levels within the car to the userís
smartphone via M2M communication technology so they know when to
charge and for how long.

The aim of Vehicle-to-Vehicle communications and Internet
connectivity within vehicles is to detect traffic jams promptly and
prevent them from getting any worse. Reducing driving time and
stress levels is just another benefit for road users, as is the
technology being used to cut CO2 emissions through simple tactics
such as preventing traffic jams. Growth in automotive M2M
communications promises to become an essential part of making
driving safer and more convenient in the future.

Machine to Machine(M2M) communication is very important in the vehicle. Now, the car users needing this technology in their cars to get the maximum benefits of it. There should be a network medium by virtue of which everyone can connect to each other. The AutoLink in vehicle really very much important for the vehicle operators.
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